---> uname -a: Linux 5e9e64922420 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.5G 42.5G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master ---> free -m: total used free shared buff/cache available Mem: 1838 726 104 0 1006 1048 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 16: eth0@if17: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/07/20 _x86_64_ (4 CPU) 22:22:08 LINUX RESTART 22:23:01 tps rtps wtps bread/s bwrtn/s 22:24:01 8.79 0.05 8.74 1.60 1758.05 22:25:02 2.81 0.00 2.81 0.00 87.14 22:26:01 0.64 0.00 0.64 0.00 9.04 22:27:01 0.68 0.00 0.68 0.00 8.26 22:28:01 0.67 0.00 0.67 0.00 7.48 22:29:01 0.75 0.00 0.75 0.00 9.63 22:30:01 356.21 152.42 203.79 6373.14 58561.91 Average: 53.15 21.87 31.28 914.50 8670.17 22:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:24:01 125200 1757104 93.35 2620 1226856 914592 31.21 429792 1170068 8 22:25:02 126756 1755548 93.27 2620 1226868 902372 30.79 429340 1169764 8 22:26:01 124960 1757344 93.36 2620 1226872 902540 30.79 430288 1169764 8 22:27:01 124900 1757404 93.36 2620 1226876 902564 30.80 430616 1169764 8 22:28:01 125468 1756836 93.33 2620 1226880 902528 30.79 430340 1169764 8 22:29:01 125528 1756776 93.33 2620 1226888 902552 30.79 430496 1169760 8 22:30:01 75092 1807212 96.01 2620 1047024 1043948 35.62 545740 972816 41016 Average: 118272 1764032 93.72 2620 1201181 924442 31.54 446659 1141671 5866 22:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:24:01 eth0 0.67 0.13 0.05 0.24 0.00 0.00 0.00 22:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:02 eth0 1.43 0.72 1.05 0.05 0.00 0.00 0.00 22:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 eth0 1.57 0.61 0.60 0.40 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 0.75 0.37 0.29 0.20 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 1.77 0.67 0.73 0.43 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 1.17 0.70 0.56 0.44 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 350.02 284.11 7012.37 40.90 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 veth5ced967 10.84 16.90 0.74 25.78 0.00 0.00 0.00 22:30:01 docker0 27.79 30.78 2.62 68.90 0.00 0.00 0.00 Average: eth0 51.26 41.21 1006.44 6.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5ced967 1.55 2.42 0.11 3.70 0.00 0.00 0.00 Average: docker0 3.99 4.42 0.38 9.88 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/07/20 _x86_64_ (4 CPU) 22:22:08 LINUX RESTART 22:23:01 CPU %user %nice %system %iowait %steal %idle 22:24:01 all 0.21 0.00 0.09 0.00 0.00 99.70 22:24:01 0 0.03 0.00 0.07 0.00 0.00 99.90 22:24:01 1 0.23 0.00 0.08 0.00 0.00 99.68 22:24:01 2 0.52 0.00 0.10 0.00 0.02 99.37 22:24:01 3 0.08 0.00 0.12 0.00 0.00 99.80 22:25:02 all 0.19 0.00 0.06 0.00 0.00 99.75 22:25:02 0 0.03 0.00 0.03 0.00 0.00 99.93 22:25:02 1 0.07 0.00 0.08 0.00 0.00 99.85 22:25:02 2 0.60 0.00 0.07 0.00 0.00 99.33 22:25:02 3 0.07 0.00 0.05 0.00 0.00 99.88 22:26:01 all 0.11 0.00 0.06 0.00 0.00 99.82 22:26:01 0 0.05 0.00 0.05 0.00 0.02 99.88 22:26:01 1 0.15 0.00 0.07 0.00 0.00 99.78 22:26:01 2 0.17 0.00 0.05 0.00 0.00 99.78 22:26:01 3 0.07 0.00 0.05 0.00 0.00 99.88 22:27:01 all 0.14 0.00 0.05 0.00 0.00 99.80 22:27:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:27:01 1 0.13 0.00 0.07 0.00 0.00 99.80 22:27:01 2 0.35 0.00 0.10 0.00 0.00 99.55 22:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:28:01 all 0.19 0.00 0.04 0.00 0.00 99.77 22:28:01 0 0.07 0.00 0.07 0.00 0.00 99.87 22:28:01 1 0.08 0.00 0.05 0.00 0.00 99.87 22:28:01 2 0.52 0.00 0.03 0.00 0.00 99.45 22:28:01 3 0.08 0.00 0.03 0.00 0.00 99.88 22:29:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:29:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:29:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:29:01 2 0.55 0.00 0.05 0.00 0.00 99.40 22:29:01 3 0.07 0.00 0.05 0.00 0.00 99.88 22:30:01 all 15.57 0.00 9.94 3.55 0.04 70.90 22:30:01 0 14.58 0.00 10.23 2.73 0.03 72.42 22:30:01 1 15.77 0.00 10.28 3.75 0.03 70.17 22:30:01 2 15.64 0.00 9.35 4.88 0.03 70.09 22:30:01 3 16.29 0.00 9.87 2.87 0.05 70.92 Average: all 2.34 0.00 1.45 0.50 0.01 95.70 Average: 0 2.10 0.00 1.48 0.39 0.01 96.03 Average: 1 2.33 0.00 1.51 0.53 0.00 95.62 Average: 2 2.59 0.00 1.38 0.69 0.01 95.33 Average: 3 2.35 0.00 1.44 0.40 0.01 95.80